Digital vs. Analog Signals

Front

What is the process called that converts analog signals to digital signals?

Back

Sampling

Front

How do computer hard drives and USB drives store data?

Back

Binary code

Front

What type of values can numbers in an analog code have?

Back

Any values

Front

Which type(s) of signal(s) can be transmitted as radio waves?

Back

Both Analog and Digital

Front

Is music playing from a record an analog or digital signal?

Back

Analog

Front

What is an analog signal?

Back

A signal that varies continuously and can take any value within a range.

Front

What is a digital signal?

Back

A signal that represents data as discrete values, typically in binary code.

Front

What is the main advantage of digital signals over analog signals?

Back

Digital signals are less susceptible to noise and interference.

Front

What does 'sampling' mean in the context of signals?

Back

The process of measuring the amplitude of an analog signal at regular intervals.

Front

What is binary code?

Back

A system of representing data using two symbols, typically 0 and 1.